Guaimario IVdiSalerno, Principe di Salerno was born circa 1013.1 He was the son of Guaimario IIIdiSalerno, Principe di Sorrento and GaitelgrimadiBenevento.1 He married PorporadeTabellaria.1 He died on 3 June 1052 at Salerno, Italy.1 He gained the title of Principe di Salerno in 1027. He gained the title of Principe di Capua in 1038. He gained the title of Duca di Amalfi in 1039. He gained the title of Duca di Gaeta in 1040. He gained the title of Duca di Sorrento in 1040. He gained the title of Duca di Puglia e Calabria in 1043.